... , hexagonal bar). 2) Standard: AISI,SUS,GB,JIS,ASTM,DIN etc. 3) Grade: 200,300,400series (201, 202, 304, 304lL, 316, 316L ... 201,Y201Cu,202 AISI 303, 304, 304L,310,310S,316,316L,317,321 AISI 410,420,430,430F,431,4162. Standard ... ,diameter from 1mm*1mm-200mm*200mm6. Application:stainless steel square bar is widely used in chemical, shipping,architecture,machine-made, household ...